CLEAN : Thousands of cosplay fans dress up in Sydney

The video discusses the appeal of cosplay and popular culture events, highlighting the roles of creators in comics, TV, and games. It notes the growth of nerd conventions in Australia, emphasizing the vibrant community and atmosphere. The video also touches on 3D printing and materials used in creating costumes.

What is the overall atmosphere described at the pop culture festival?

What materials are mentioned as being used for creating items that can be downloaded from the internet?